HOME ENERGY MANAGEMENT SYSTEM SERVER APPARTUS AND URGENT MESSAGE TRANSMISSION SYSTEM

摘要

According to an aspect of the present invention, a network access method between a union certification center and a smart home appliance in a multi home area network environment comprises the steps of: receiving, by a union certification center, an access request message from a smart home appliance; transmitting an access response message corresponding to the access request; receiving a pairing request message containing own device information from the smart home appliance; allocating a virtual home area network to which the smart home appliance belongs based on the pairing request message; and transmitting a pairing response message corresponding to the pairing request message.